Quotas related to queues
The following table lists quotas related to queues.
Quota | Description |
---|---|
Delay queue | The default (minimum) delay for a queue is 0 seconds. The maximum is 15 minutes. |
Listed queues | 1,000 queues per ListQueues request.
|
Long polling wait time | The maximum long polling wait time is 20 seconds. |
Message groups | There is no quota to the number of message groups within a FIFO queue. |
Messages per queue (backlog) | The number of messages that an Amazon SQS queue can store is unlimited. |
Messages per queue (in flight) |
For most standard queues (depending on queue traffic and message backlog), there can
be a maximum of approximately 120,000 inflight messages (received from a queue by
a consumer, but not yet deleted from the queue).
If you reach this quota while using short polling, Amazon SQS returns the |
For FIFO queues, there can be a maximum of 20,000 inflight messages (received from a queue by a consumer, but not yet deleted from the queue). If you reach this quota, Amazon SQS returns no error messages. |
|
Queue name |
A queue name can have up to 80 characters. The following characters are accepted:
alphanumeric characters, hyphens ( Queue names are case-sensitive (for example,
|
The name of a FIFO queue must end with the |
|
Queue tag |
We don't recommend adding more than 50 tags to a queue. |
The tag Key is required, but the tag Value
is optional.
|
|
The tag Key and tag Value are
case-sensitive.
|
|
The tag Key and tag Value can include
Unicode alphanumeric characters in UTF-8 and whitespaces. The following
special characters are allowed: _ . : / = + - @ |
|
The tag Key or Value must not include the
reserved prefix aws: (you can't delete tag keys or values
with this prefix).
|
|
The maximum tag Key length is 128 Unicode characters in
UTF-8. The tag Key must not be empty or null.
|
|
The maximum tag Value length is 256 Unicode characters
in UTF-8. The tag Value may be empty or null.
|
|
Tagging actions are limited to 5 TPS per AWS account. If your application requires
a higher throughput, submit a request |